| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |